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Official data from INPI

PROCESSO DE PRODUÇÃO DE UM TRIIDRÓXIDO DE ALUMÍNIO DE GRANULOMETRIA GROSSA.

ConcedidaInvention Patent

Application data

Number

PI8307393

Type

Invention Patent

Filing

07/06/1983

Publication

06/05/1984

Progress at the INPI

  1. Filing07/06/83
  2. Publication06/05/84
  3. Examination08/07/84
  4. Allowance06/21/88
  5. Grant01/10/89
  6. Terminated04/30/96

The patent was granted on 01/10/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. P. (pessoa física)

FR

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Inventors

C. [. (pessoa física)

M. [. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

82 12412 · 07/08/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/10/1989

RPI 951

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/21/1988

RPI 922

Exigência - art. 36 da LPI

#6.1

12/08/1987

RPI 894

Exigência - art. 36 da LPI

#6.1

09/03/1985

RPI 776

Solicitação de exame técnico

#4.1

08/07/1984

RPI 720

Notificação de entrada na fase nacional - PCT

#1.3

06/05/1984

RPI 711

Anuidade - prazo legal encerrado

#18.2

04/30/1996

RPI 1326

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